Home / 12,058,082.30-18,087,123.45-8,231,707.10

Finding the Fourth Proportional to 12,058,082.30, 18,087,123.45 and 8,231,707.10

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Solution

The fourth proportional to 12,058,082.30, 18,087,123.45 and 8,231,707.10 is: 12,347,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058,082.30 : 18,087,123.45 = 8,231,707.10 : x
  2. Step 2: Convert to fraction form
    12,058,082.30/18,087,123.45 = 8,231,707.10/x
  3. Step 3: Cross multiply
    12,058,082.30x = 18,087,123.45 × 8,231,707.10
  4. Step 4: Simplify right side
    12,058,082.30x = 148,887,902,521,941.47
  5. Step 5: Solve for x
    x = 148,887,902,521,941.47/12,058,082.30
  6. Step 6: Final answer
    x = 12,347,560.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.